Examlex
A relation is in 3NF if and only if it is in 2NF and there are no non-key attributes determined by another non-key attribute.
Petroleum-based Product
A product derived from refining crude oil, such as gasoline, plastics, or synthetic fabrics.
Latex Allergies
An allergic reaction to certain proteins found in natural rubber latex, leading to symptoms ranging from skin irritation to anaphylaxis.
Microorganisms
Tiny living organisms, such as bacteria, viruses, fungi, and protozoa, that can be seen only under a microscope.
Central Venous Catheter
A tube placed into a large vein in the neck, chest, or groin, used to administer medication or fluids, obtain blood tests, and directly measure central venous pressure.
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